Resistance Temperature Detector

RTD

RTD stands for Resistance Temperature Detector. RTDs are sometimes referred to generally as resistance thermometers. An RTD is a temperature sensor which measures temperature using the principle that the resistance of a metal changes with temperature. In practice, an electrical current is transmitted through a piece of metal (the RTD element or resistor) located in proximity to the area where temperature is to be measured. The resistance value of the RTD element is then measured by an instrument. This resistance value is then correlated to temperature based upon the known resistance characteristics of the RTD element. We manufacture 2, 3 or 4 wire RTDs. Pt-100, Pt-1000 are the common types.

  • High accuracy for precise temperature measurement
  • Excellent repeatability and long-term stability
  • Suitable for a wide range of industrial applications
  • Reliable performance in process control systems
  • Available in different constructions to suit various installation needs

Application-Based Customization

Engineered for Your Process Conditions

Expert Selection Support

Reliable After-Sales Service

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  • Higher Accuracy & Stability
  • RTD Classes & Standards: Accuracy a) Class A: -30 to +300 Deg C (0.15+0.002), b) Class B: -50 to +500 Deg C (± 0.3+0.005)
  • Standard: Indian Standard (IS) or European or DIN / IEC or American Standard
  • RTD Element: Thin Film, Ceramic Wire Wound (CWW)
  • Cement: Motor Bearing & Winding Temperature, Bag House Inlet Temp, Deaerator Storage Tank, HP Feed Pump, Ecnomizer, Feed Control Station, Blow Down Tank, Flue Gas Temperature
  • Metal & Refractories: Blast Furnace, Reheating Furnace, DRI Kiln, Coke Oven Battery, Sinter Plant etc.
  • Power: Boiler,Turbine, Pump, Steam & Pipelines, Air Preheater, Deaerators etc
  • Oil & Gas: Purge Gas Recovery, Primary Reformer & Synthesis Convertor System (Skin Type Thermocouple), Coker Purge, CDU - SRU, Reactor, FCCU, Manifold/ X-Mas Tree, Well Head Flow Line, Motor, Pumps & Compressor etc.
  • Chemical: Soda Ash Division, Steam Service, Reactor etc.
  • Glass & Ceramic: Melting Furnace, Furnace Crown, Furnace Bottom, Refining Furnace, Float Bath, Annealing Furnace etc.
  • Type: Pt100, Pt200, Pt1000
  • Configuration: Simplex/Duplex
  • Connection : 2/3/4 wire
  • Accuracy: As per IEC/ASTM
  • Insulation: Mineral/Ceramic Insulated
  • Sheath Material: SS316
  • MI Cable Sheath Diameter : 2, 3,3.2, 4.8,6, 8 mm
  • Termination: Head /Cable/ Connector
  • Process Connection: Threaded / Welded/ Flanged
  • Insertion/Total length

    Comprehensive Services Using This Product

    From installation to ongoing support, we’re with you every step of the way.

    What Customers Say About Us

    Trusted Engineering Support

    The team provided clear technical guidance and practical solutions. Execution was smooth and well coordinated throughout.

    Mr. Vivek NairGeneral Manager – Operations, Cement Industry
    Dependable Technical Partner

    Their approach was systematic and aligned with our plant needs. Overall experience with product and service has been positive.

    Ms. Kavita RaoSenior Manager – Maintenance, Steel Sector
    Application-Focused Solutions

    They understood our process conditions before recommending equipment. Support during installation was handled professionally.

    Mr. Rohan MehtaProject Lead – Power Plant
    Consistent Service Delivery

    Product performance has been stable in regular operations. The support team responds in a timely manner.

    Mr. Anil DeshmukhInstrumentation Head, Process Manufacturing

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    Frequently Asked Questions About This Product

    An RTD is a temperature sensor that measures temperature by correlating the resistance of a metal element with temperature.
    Pt100 is the most commonly used RTD element in industrial applications.
    RTDs are preferred where better accuracy, repeatability, and stable performance are required.
    These configurations differ in how lead wire resistance is compensated. 3-wire and 4-wire RTDs provide better accuracy compared to 2-wire.
    Yes, RTDs can be supplied with thermowells for protection in pressurized, corrosive, or demanding process conditions.

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